What are the most frequent methods and conditions that lead to the rise of dictators?

Part of the IGCSE Paper 2 Study Topic: “Why did Events in the Gulf Matter?”

Compare and Contrast the Rise of Three Dictators
At this point students are given the opportunity to compare and constrast the rise of Saddam, Khomeini and one other dictators (e.g. Hitler) that they have studied. Working individually, then in jigsaw groups, they build up a Venn Diagram.